Producing Figure 2

(Display Figure 2.)

Click the triangle immediately to the right of 1 meter.

• That exposes the topmost menu in Figure 2.
• One of the selections on that menu reads math.

Select the math item.

The menu immediately to its right opens up showing:

• The left operand and
• A choice of each of the four arithmetic operators.

Select the item that reads 1+.

• That exposes the rightmost menu in Figure 2.